Rapid Identification and Taxonomical Classification of Structural Seismic Attributes in a Regionwide Commercial Building Stock
Publication: Journal of Performance of Constructed Facilities
Volume 31, Issue 1
Abstract
As territorial authorities, government agencies, and other large-asset owners were responding to regulatory and market forces in the wake of the 2010–2011 Canterbury, New Zealand, earthquakes by assessing and planning retrofits for buildings determined to be particularly vulnerable to earthquakes, an opportunity existed to identify and taxonomically classify structural seismic attributes in the largest regional commercial building stock in New Zealand. To that end, the Auckland Council proactively sought to assess thousands of commercial and industrial buildings across the Auckland region. As part of the Auckland Council program, a targeted sample out of a total of approximately 19,885 commercial buildings in the Auckland region was assessed with varying amounts of typological data recorded including lateral load resisting system type, number of stories, and time period of construction. Engineers, risk modelers, building regulators, and civil defense officials in other cities around the world can consider the Auckland Council program as a case study for how survey data may be collected, classified, and extrapolated to account for typological information not yet recorded as well as selection biases, and how relatively precise yet rapid assessments may be carried out for especially vulnerable building construction types and components.
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Acknowledgments
The authors acknowledge members of the Departments of Property, Building Control, and Civil Defence and Emergency Management at the Auckland Council whose efforts provided much of the cause, background, and current data referenced in this paper. The work done by current and former students at the University of Auckland, including Dmytro Dizhur, Warren Wroth, Mika Wylde, Chris Luttrell, Kirby McClean, and Alistair Russell, by Marta Giaretton at the University of Padova, by Weng Y. Kam and Stefano Pampanin at the University of Canterbury, and by various professional engineering consultants throughout the Auckland region, is heavily relied upon in the reported study.
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Published In
Journal of Performance of Constructed Facilities
Volume 31 • Issue 1 • February 2017
Copyright
© 2016 American Society of Civil Engineers.
History
Received: Nov 15, 2015
Accepted: Apr 11, 2016
Published online: Jun 29, 2016
Discussion open until: Nov 29, 2016
Published in print: Feb 1, 2017
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